DRV8825 Original Driver motor Stepper 3D printer RAMPS Pololu RepRap - Grade A

Relative 4988 Features Benefits:_x000D_
1. the maximum current of 2.5A._x000D_
2. up to 32 segments._x000D_
3. 4-layer PCB, better heat dissipation._x000D_
4. the chip resistance is smaller, less heat, and better heat dissipation._x000D_
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Parameters:_x000D_
Size: 1.5mmX2mm (and the same 4988)_x000D_
Can drive currents: 2.5A_x000D_
Segmentation: 1,1 / 2,1 / 4,1 / 8,1 / 16,1 / 32_x000D_
Manufacturing Process: SMT placement machine higher manufacturing, non-manual welding, yield more stable performance_x000D_
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Suitable for:_x000D_
Need to drive stepper motors._x000D_
It is to build a 3d printer, cnc, engraving machine and other essential modules._x000D_
Supported 3d printers have Prusa Mendel, ultimaker, printbot, makerbot like._x000D_
You can refer back Arduino code, direct drive motor_x000D_
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DRV8825 features are the following:_x000D_
1, suitable for driving below 8.2V ~ 45V 2.5A stepping motor;_x000D_
2, only a simple step and direction control interface;_x000D_
3, six different stepping modes: full, half, 1 / 4,1 / 8,1 / 16,1 / 32;_x000D_
4, adjustable potentiometer can adjust the maximum current output, resulting in higher step rate;_x000D_
5. Automatic current decay mode detection / selection;_x000D_
6, thermal shutdown circuit, undervoltage lockout, crossover current protection;_x000D_
7, ground short-circuit protection and load short circuit protection_x000D_
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Item including_x000D_
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1 PC Stepper Motor driver with Heatsin